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MST State Standards:. Students use number sense and numeration to develop an understanding of the multiple uses of numbers in the real world, the use of numbers to communicate mathematically, and the use of numbers in the development of mathematical ideas. To begin, the teacher will begin with an introductory demonstration to equivalent fractions. The teacher will take a piece of paper, fold it in half, and then color one half with a marker. The teacher will then fold the piece of paper in half again. What fraction tells how many are colored?
The Comparing Fractions. I remind the students that we have been working on fractions for a few lessons now. I ask, "What can you tell me about fractions?
The first lesson of a new unit always feels like an entire class period of formative assessment to me, which I love! I think finding out what the students know about a topic, especially if it is the first time it is introduced that year, is so interesting. Since the first lesson of the 4th grade fraction unit starts with fractions of a 4 x 6 array, we wanted to create an introduction lesson that was more reflective of all of the great work they did with fraction strips in 3rd grade to get a better picture of what they know. Every once in a while I would pause and ask how much I would have if I had more than 1 of those pieces to see if they could name fractions over a unit. For example, What if I had 3 of those fourths?